diff options
| -rw-r--r-- | drivers/media/video/pvrusb2/Makefile | 1 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-audio.h | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-debugifc.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 3 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-core.c | 417 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-core.h | 57 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-track.c | 480 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-i2c-track.h | 97 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-tuner.h | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-video-v4l.h | 2 | ||||
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-wm8775.h | 2 |
14 files changed, 595 insertions, 476 deletions
diff --git a/drivers/media/video/pvrusb2/Makefile b/drivers/media/video/pvrusb2/Makefile index 4fda2de69ab7..931d9d1a0b4b 100644 --- a/drivers/media/video/pvrusb2/Makefile +++ b/drivers/media/video/pvrusb2/Makefile @@ -3,6 +3,7 @@ obj-pvrusb2-debugifc-$(CONFIG_VIDEO_PVRUSB2_DEBUGIFC) := pvrusb2-debugifc.o obj-pvrusb2-dvb-$(CONFIG_VIDEO_PVRUSB2_DVB) := pvrusb2-dvb.o pvrusb2-objs := pvrusb2-i2c-core.o pvrusb2-i2c-cmd-v4l2.o \ + pvrusb2-i2c-track.o \ pvrusb2-audio.o pvrusb2-i2c-chips-v4l2.o \ pvrusb2-encoder.o pvrusb2-video-v4l.o \ pvrusb2-eeprom.o pvrusb2-tuner.o \ diff --git a/drivers/media/video/pvrusb2/pvrusb2-audio.h b/drivers/media/video/pvrusb2/pvrusb2-audio.h index ac54eed3721b..f7f0a408a9b4 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-audio.h +++ b/drivers/media/video/pvrusb2/pvrusb2-audio.h @@ -22,7 +22,7 @@ #ifndef __PVRUSB2_AUDIO_H #define __PVRUSB2_AUDIO_H -#include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" int pvr2_i2c_msp3400_setup(struct pvr2_hdw *,struct pvr2_i2c_client *); diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h index 66abf77f51fd..f664f5942002 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h +++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.h @@ -34,7 +34,7 @@ -#include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" int pvr2_i2c_cx2584x_v4l_setup(struct pvr2_hdw *,struct pvr2_i2c_client *); diff --git a/drivers/media/video/pvrusb2/pvrusb2-debugifc.c b/drivers/media/video/pvrusb2/pvrusb2-debugifc.c index ca892fb78a5b..cc4ef891b5b6 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-debugifc.c +++ b/drivers/media/video/pvrusb2/pvrusb2-debugifc.c @@ -23,7 +23,7 @@ #include "pvrusb2-debugifc.h" #include "pvrusb2-hdw.h" #include "pvrusb2-debug.h" -#include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" struct debugifc_mask_item { const char *name; diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index ed8a4561e086..9441bcc37bc3 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -29,6 +29,7 @@ #include "pvrusb2-util.h" #include "pvrusb2-hdw.h" #include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" #include "pvrusb2-tuner.h" #include "pvrusb2-eeprom.h" #include "pvrusb2-hdw-internal.h" @@ -1990,6 +1991,7 @@ static void pvr2_hdw_setup_low(struct pvr2_hdw *hdw) } // This step MUST happen after the earlier powerup step. + pvr2_i2c_track_init(hdw); pvr2_i2c_core_init(hdw); if (!pvr2_hdw_dev_ok(hdw)) return; @@ -2501,6 +2503,7 @@ void pvr2_hdw_destroy(struct pvr2_hdw *hdw) hdw->decoder_ctrl->detach(hdw->decoder_ctrl->ctxt); } pvr2_i2c_core_done(hdw); + pvr2_i2c_track_done(hdw); pvr2_hdw_remove_usb_stuff(hdw); mutex_lock(&pvr2_unit_mtx); do { if ((hdw->unit_number >= 0) && diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c index 4cf980c49d01..8f32c2edb49a 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c @@ -19,7 +19,7 @@ */ #include <linux/kernel.h> -#include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" #include "pvrusb2-hdw-internal.h" #include "pvrusb2-debug.h" #include "pvrusb2-i2c-cmd-v4l2.h" diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h index 69a63f2a8a7b..8472637e48eb 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-cmd-v4l2.h @@ -22,7 +22,7 @@ #ifndef __PVRUSB2_CMD_V4L2_H #define __PVRUSB2_CMD_V4L2_H -#include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_init; extern const struct pvr2_i2c_op pvr2_i2c_op_v4l2_standard; diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c index 57a024737722..2ba429f1bc8e 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c @@ -18,7 +18,9 @@ * */ +#include <linux/i2c.h> #include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" #include "pvrusb2-hdw-internal.h" #include "pvrusb2-debug.h" #include "pvrusb2-fx2-cmd.h" @@ -29,8 +31,7 @@ /* This module attempts to implement a compliant I2C adapter for the pvrusb2 - device. By doing this we can then make use of existing functionality in - V4L (e.g. tuner.c) rather than rolling our own. + device. */ @@ -42,10 +43,6 @@ static int ir_mode[PVR_NUM] = { [0 ... PVR_NUM-1] = 1 }; module_param_array(ir_mode, int, NULL, 0444); MODULE_PARM_DESC(ir_mode,"specify: 0=disable IR reception, 1=normal IR"); -static unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp, - unsigned int detail, - char *buf,unsigned int maxlen); - static int pvr2_i2c_write(struct pvr2_hdw *hdw, /* Context */ u8 i2c_addr, /* I2C address we're talking to */ u8 *data, /* Data to write */ @@ -524,414 +521,15 @@ static u32 pvr2_i2c_functionality(struct i2c_adapter *adap) return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C; } -static int pvr2_i2c_core_singleton(struct i2c_client *cp, - unsigned int cmd,void *arg) -{ - int stat; - if (!cp) return -EINVAL; - if (!(cp->driver)) return -EINVAL; - if (!(cp->driver->command)) return -EINVAL; - if (!try_module_get(cp->driver->driver.owner)) return -EAGAIN; - stat = cp->driver->command(cp,cmd,arg); - module_put(cp->driver->driver.owner); - return stat; -} - -int pvr2_i2c_client_cmd(struct pvr2_i2c_client *cp,unsigned int cmd,void *arg) -{ - int stat; - if (pvrusb2_debug & PVR2_TRACE_I2C_CMD) { - char buf[100]; - unsigned int cnt; - cnt = pvr2_i2c_client_describe(cp,PVR2_I2C_DETAIL_DEBUG, - buf,sizeof(buf)); - pvr2_trace(PVR2_TRACE_I2C_CMD, - "i2c COMMAND (code=%u 0x%x) to %.*s", - cmd,cmd,cnt,buf); - } - stat = pvr2_i2c_core_singleton(cp->client,cmd,arg); - if (pvrusb2_debug & PVR2_TRACE_I2C_CMD) { - char buf[100]; - unsigned int cnt; - cnt = pvr2_i2c_client_describe(cp,PVR2_I2C_DETAIL_DEBUG, - buf,sizeof(buf)); - pvr2_trace(PVR2_TRACE_I2C_CMD, - "i2c COMMAND to %.*s (ret=%d)",cnt,buf,stat); - } - return stat; -} - -int pvr2_i2c_core_cmd(struct pvr2_hdw *hdw,unsigned int cmd,void *arg) -{ - struct pvr2_i2c_client *cp, *ncp; - int stat = -EINVAL; - - if (!hdw) return stat; - - mutex_lock(&hdw->i2c_list_lock); - list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, list) { - if (!cp->recv_enable) continue; - mutex_unlock(&hdw->i2c_list_lock); - stat = pvr2_i2c_client_cmd(cp,cmd,arg); - mutex_lock(&hdw->i2c_list_lock); - } - mutex_unlock(&hdw->i2c_list_lock); - return stat; -} - - -static int handler_check(struct pvr2_i2c_client *cp) -{ - struct pvr2_i2c_handler *hp = cp->handler; - if (!hp) return 0; - if (!hp->func_table->check) return 0; - return hp->func_table->check(hp->func_data) != 0; -} - -#define BUFSIZE 500 - - -void pvr2_i2c_core_status_poll(struct pvr2_hdw *hdw) -{ - struct pvr2_i2c_client *cp; - mutex_lock(&hdw->i2c_list_lock); do { - struct v4l2_tuner *vtp = &hdw->tuner_signal_info; - memset(vtp,0,sizeof(*vtp)); - list_for_each_entry(cp, &hdw->i2c_clients, list) { - if (!cp->detected_flag) continue; - if (!cp->status_poll) continue; - cp->status_poll(cp); - } - hdw->tuner_signal_stale = 0; - pvr2_trace(PVR2_TRACE_CHIPS,"i2c status poll" - " type=%u strength=%u audio=0x%x cap=0x%x" - " low=%u hi=%u", - vtp->type, - vtp->signal,vtp->rxsubchans,vtp->capability, - vtp->rangelow,vtp->rangehigh); - } while (0); mutex_unlock(&hdw->i2c_list_lock); -} - - -/* Issue various I2C operations to bring chip-level drivers into sync with - state stored in this driver. */ -void pvr2_i2c_core_sync(struct pvr2_hdw *hdw) -{ - unsigned long msk; - unsigned int idx; - struct pvr2_i2c_client *cp, *ncp; - - if (!hdw->i2c_linked) return; - if (!(hdw->i2c_pend_types & PVR2_I2C_PEND_ALL)) { - return; - } - mutex_lock(&hdw->i2c_list_lock); do { - pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: core_sync BEGIN"); - if (hdw->i2c_pend_types & PVR2_I2C_PEND_DETECT) { - /* One or more I2C clients have attached since we - last synced. So scan the list and identify the - new clients. */ - char *buf; - unsigned int cnt; - unsigned long amask = 0; - buf = kmalloc(BUFSIZE,GFP_KERNEL); - pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: PEND_DETECT"); - hdw->i2c_pend_types &= ~PVR2_I2C_PEND_DETECT; - list_for_each_entry(cp, &hdw->i2c_clients, list) { - if (!cp->detected_flag) { - cp->ctl_mask = 0; - pvr2_i2c_probe(hdw,cp); - cp->detected_flag = !0; - msk = cp->ctl_mask; - cnt = 0; - if (buf) { - cnt = pvr2_i2c_client_describe( - cp, - PVR2_I2C_DETAIL_ALL, - buf,BUFSIZE); - } - trace_i2c("Probed: %.*s",cnt,buf); - if (handler_check(cp)) { - hdw->i2c_pend_types |= - PVR2_I2C_PEND_CLIENT; - } - cp->pend_mask = msk; - hdw->i2c_pend_mask |= msk; - hdw->i2c_pend_types |= - PVR2_I2C_PEND_REFRESH; - } - amask |= cp->ctl_mask; - } - hdw->i2c_active_mask = amask; - if (buf) kfree(buf); - } - if (hdw->i2c_pend_types & PVR2_I2C_PEND_STALE) { - /* Need to do one or more global updates. Arrange - for this to happen. */ - unsigned long m2; - pvr2_trace(PVR2_TRACE_I2C_CORE, - "i2c: PEND_STALE (0x%lx)", - hdw->i2c_stale_mask); - hdw->i2c_pend_types &= ~PVR2_I2C_PEND_STALE; - list_for_each_entry(cp, &hdw->i2c_clients, list) { - m2 = hdw->i2c_stale_mask; - m2 &= cp->ctl_mask; - m2 &= ~cp->pend_mask; - if (m2) { - pvr2_trace(PVR2_TRACE_I2C_CORE, - "i2c: cp=%p setting 0x%lx", - cp,m2); - cp->pend_mask |= m2; - } - } - hdw->i2c_pend_mask |= hdw->i2c_stale_mask; - hdw->i2c_stale_mask = 0; - hdw->i2c_pend_types |= PVR2_I2C_PEND_REFRESH; - } - if (hdw->i2c_pend_types & PVR2_I2C_PEND_CLIENT) { - /* One or more client handlers are asking for an - update. Run through the list of known clients - and update each one. */ - pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: PEND_CLIENT"); - hdw->i2c_pend_types &= ~PVR2_I2C_PEND_CLIENT; - list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, - list) { - if (!cp->handler) continue; - if (!cp->handler->func_table->update) continue; - pvr2_trace(PVR2_TRACE_I2C_CORE, - "i2c: cp=%p update",cp); - mutex_unlock(&hdw->i2c_list_lock); - cp->handler->func_table->update( - cp->handler->func_data); - mutex_lock(&hdw->i2c_list_lock); - /* If client's update function set some - additional pending bits, account for that - here. */ - if (cp->pend_mask & ~hdw->i2c_pend_mask) { - hdw->i2c_pend_mask |= cp->pend_mask; - hdw->i2c_pend_types |= - PVR2_I2C_PEND_REFRESH; - } - } - } - if (hdw->i2c_pend_types & PVR2_I2C_PEND_REFRESH) { - const struct pvr2_i2c_op *opf; - unsigned long pm; - /* Some actual updates are pending. Walk through - each update type and perform it. */ - pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: PEND_REFRESH" - " (0x%lx)",hdw->i2c_pend_mask); - hdw->i2c_pend_types &= ~PVR2_I2C_PEND_REFRESH; - pm = hdw->i2c_pend_mask; - hdw->i2c_pend_mask = 0; - for (idx = 0, msk = 1; pm; idx++, msk <<= 1) { - if (!(pm & msk)) continue; - pm &= ~msk; - list_for_each_entry(cp, &hdw->i2c_clients, - list) { - if (cp->pend_mask & msk) { - cp->pend_mask &= ~msk; - cp->recv_enable = !0; - } else { - cp->recv_enable = 0; - } - } - opf = pvr2_i2c_get_op(idx); - if (!opf) continue; - mutex_unlock(&hdw->i2c_list_lock); - opf->update(hdw); - mutex_lock(&hdw->i2c_list_lock); - } - } - pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: core_sync END"); - } while (0); mutex_unlock(&hdw->i2c_list_lock); -} - -int pvr2_i2c_core_check_stale(struct pvr2_hdw *hdw) -{ - unsigned long msk,sm,pm; - unsigned int idx; - const struct pvr2_i2c_op *opf; - struct pvr2_i2c_client *cp; - unsigned int pt = 0; - - pvr2_trace(PVR2_TRACE_I2C_CORE,"pvr2_i2c_core_check_stale BEGIN"); - - pm = hdw->i2c_active_mask; - sm = 0; - for (idx = 0, msk = 1; pm; idx++, msk <<= 1) { - if (!(msk & pm)) continue; - pm &= ~msk; - opf = pvr2_i2c_get_op(idx); - if (!(opf && opf->check)) continue; - if (opf->check(hdw)) { - sm |= msk; - } - } - if (sm) pt |= PVR2_I2C_PEND_STALE; - - list_for_each_entry(cp, &hdw->i2c_clients, list) - if (handler_check(cp)) - pt |= PVR2_I2C_PEND_CLIENT; - - if (pt) { - mutex_lock(&hdw->i2c_list_lock); do { - hdw->i2c_pend_types |= pt; - hdw->i2c_stale_mask |= sm; - hdw->i2c_pend_mask |= hdw->i2c_stale_mask; - } while (0); mutex_unlock(&hdw->i2c_list_lock); - } - - pvr2_trace(PVR2_TRACE_I2C_CORE, - "i2c: types=0x%x stale=0x%lx pend=0x%lx", - hdw->i2c_pend_types, - hdw->i2c_stale_mask, - hdw->i2c_pend_mask); - pvr2_trace(PVR2_TRACE_I2C_CORE,"pvr2_i2c_core_check_stale END"); - - return (hdw->i2c_pend_types & PVR2_I2C_PEND_ALL) != 0; -} - -static unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp, - unsigned int detail, - char *buf,unsigned int maxlen) -{ - unsigned int ccnt,bcnt; - int spcfl = 0; - const struct pvr2_i2c_op *opf; - - ccnt = 0; - if (detail & PVR2_I2C_DETAIL_DEBUG) { - bcnt = scnprintf(buf,maxlen, - "ctxt=%p ctl_mask=0x%lx", - cp,cp->ctl_mask); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - spcfl = !0; - } - bcnt = scnprintf(buf,maxlen, - "%s%s @ 0x%x", - (spcfl ? " " : ""), - cp->client->name, - cp->client->addr); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - if ((detail & PVR2_I2C_DETAIL_HANDLER) && - cp->handler && cp->handler->func_table->describe) { - bcnt = scnprintf(buf,maxlen," ("); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - bcnt = cp->handler->func_table->describe( - cp->handler->func_data,buf,maxlen); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - bcnt = scnprintf(buf,maxlen,")"); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - } - if ((detail & PVR2_I2C_DETAIL_CTLMASK) && cp->ctl_mask) { - unsigned int idx; - unsigned long msk,sm; - - bcnt = scnprintf(buf,maxlen," ["); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - sm = 0; - spcfl = 0; - for (idx = 0, msk = 1; msk; idx++, msk <<= 1) { - if (!(cp->ctl_mask & msk)) continue; - opf = pvr2_i2c_get_op(idx); - if (opf) { - bcnt = scnprintf(buf,maxlen,"%s%s", - spcfl ? " " : "", - opf->name); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - spcfl = !0; - } else { - sm |= msk; - } - } - if (sm) { - bcnt = scnprintf(buf,maxlen,"%s%lx", - idx != 0 ? " " : "",sm); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - } - bcnt = scnprintf(buf,maxlen,"]"); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - } - return ccnt; -} - -unsigned int pvr2_i2c_report(struct pvr2_hdw *hdw, - char *buf,unsigned int maxlen) -{ - unsigned int ccnt,bcnt; - struct pvr2_i2c_client *cp; - ccnt = 0; - mutex_lock(&hdw->i2c_list_lock); do { - list_for_each_entry(cp, &hdw->i2c_clients, list) { - bcnt = pvr2_i2c_client_describe( - cp, - (PVR2_I2C_DETAIL_HANDLER| - PVR2_I2C_DETAIL_CTLMASK), - buf,maxlen); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - bcnt = scnprintf(buf,maxlen,"\n"); - ccnt += bcnt; buf += bcnt; maxlen -= bcnt; - } - } while (0); mutex_unlock(&hdw->i2c_list_lock); - return ccnt; -} - static int pvr2_i2c_attach_inform(struct i2c_client *client) { - struct pvr2_hdw *hdw = (struct pvr2_hdw *)(client->adapter->algo_data); - struct pvr2_i2c_client *cp; - int fl = !(hdw->i2c_pend_types & PVR2_I2C_PEND_ALL); - cp = kzalloc(sizeof(*cp),GFP_KERNEL); - trace_i2c("i2c_attach [client=%s @ 0x%x ctxt=%p]", - client->name, - client->addr,cp); - if (!cp) return -ENOMEM; - cp->hdw = hdw; - INIT_LIST_HEAD(&cp->list); - cp->client = client; - mutex_lock(&hdw->i2c_list_lock); do { - hdw->cropcap_stale = !0; - list_add_tail(&cp->list,&hdw->i2c_clients); - hdw->i2c_pend_types |= PVR2_I2C_PEND_DETECT; - } while (0); mutex_unlock(&hdw->i2c_list_lock); - if (fl) queue_work(hdw->workqueue,&hdw->worki2csync); + pvr2_i2c_track_attach_inform(client); return 0; } static int pvr2_i2c_detach_inform(struct i2c_client *client) { - struct pvr2_hdw *hdw = (struct pvr2_hdw *)(client->adapter->algo_data); - struct pvr2_i2c_client *cp, *ncp; - unsigned long amask = 0; - int foundfl = 0; - mutex_lock(&hdw->i2c_list_lock); do { - hdw->cropcap_stale = !0; - list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, list) { - if (cp->client == client) { - trace_i2c("pvr2_i2c_detach" - " [client=%s @ 0x%x ctxt=%p]", - client->name, - client->addr,cp); - if (cp->handler && - cp->handler->func_table->detach) { - cp->handler->func_table->detach( - cp->handler->func_data); - } - list_del(&cp->list); - kfree(cp); - foundfl = !0; - continue; - } - amask |= cp->ctl_mask; - } - hdw->i2c_active_mask = amask; - } while (0); mutex_unlock(&hdw->i2c_list_lock); - if (!foundfl) { - trace_i2c("pvr2_i2c_detach [client=%s @ 0x%x ctxt=<unknown>]", - client->name, - client->addr); - } + pvr2_i2c_track_detach_inform(client); return 0; } @@ -1009,11 +607,6 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw) hdw->i2c_adap.dev.parent = &hdw->usb_dev->dev; hdw->i2c_adap.algo = &hdw->i2c_algo; hdw->i2c_adap.algo_data = hdw; - hdw->i2c_pend_mask = 0; - hdw->i2c_stale_mask = 0; - hdw->i2c_active_mask = 0; - INIT_LIST_HEAD(&hdw->i2c_clients); - mutex_init(&hdw->i2c_list_lock); hdw->i2c_linked = !0; i2c_add_adapter(&hdw->i2c_adap); if (hdw->i2c_func[0x18] == i2c_24xxx_ir) { diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.h b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.h index 6ef7a1c0e935..6a75769200bd 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.h +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.h @@ -20,68 +20,13 @@ #ifndef __PVRUSB2_I2C_CORE_H #define __PVRUSB2_I2C_CORE_H -#include <linux/list.h> -#include <linux/i2c.h> - struct pvr2_hdw; -struct pvr2_i2c_client; -struct pvr2_i2c_handler; -struct pvr2_i2c_handler_functions; -struct pvr2_i2c_op; -struct pvr2_i2c_op_functions; - -struct pvr2_i2c_client { - struct i2c_client *client; - struct pvr2_i2c_handler *handler; - struct list_head list; - struct pvr2_hdw *hdw; - int detected_flag; - int recv_enable; - unsigned long pend_mask; - unsigned long ctl_mask; - void (*status_poll)(struct pvr2_i2c_client *); -}; - -struct pvr2_i2c_handler { - void *func_data; - const struct pvr2_i2c_handler_functions *func_table; -}; - -struct pvr2_i2c_handler_functions { - void (*detach)(void *); - int (*check)(void *); - void (*update)(void *); - unsigned int (*describe)(void *,char *,unsigned int); -}; - -struct pvr2_i2c_op { - int (*check)(struct pvr2_hdw *); - void (*update)(struct pvr2_hdw *); - const char *name; -}; void pvr2_i2c_core_init(struct pvr2_hdw *); void pvr2_i2c_core_done(struct pvr2_hdw *); -int pvr2_i2c_client_cmd(struct pvr2_i2c_client *,unsigned int cmd,void *arg); -int pvr2_i2c_core_cmd(struct pvr2_hdw *,unsigned int cmd,void *arg); - -int pvr2_i2c_core_check_stale(struct pvr2_hdw *); -void pvr2_i2c_core_sync(struct pvr2_hdw *); -void pvr2_i2c_core_status_poll(struct pvr2_hdw *); -unsigned int pvr2_i2c_report(struct pvr2_hdw *,char *buf,unsigned int maxlen); -#define PVR2_I2C_DETAIL_DEBUG 0x0001 -#define PVR2_I2C_DETAIL_HANDLER 0x0002 -#define PVR2_I2C_DETAIL_CTLMASK 0x0004 -#define PVR2_I2C_DETAIL_ALL (\ - PVR2_I2C_DETAIL_DEBUG |\ - PVR2_I2C_DETAIL_HANDLER |\ - PVR2_I2C_DETAIL_CTLMASK) - -void pvr2_i2c_probe(struct pvr2_hdw *,struct pvr2_i2c_client *); -const struct pvr2_i2c_op *pvr2_i2c_get_op(unsigned int idx); -#endif /* __PVRUSB2_I2C_CORE_H */ +#endif /* __PVRUSB2_I2C_ADAPTER_H */ /* diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-track.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-track.c new file mode 100644 index 000000000000..48cffa4a1b6a --- /dev/null +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-track.c @@ -0,0 +1,480 @@ +/* + * + * + * Copyright (C) 2005 Mike Isely <isely@pobox.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "pvrusb2-i2c-track.h" +#include "pvrusb2-hdw-internal.h" +#include "pvrusb2-debug.h" +#include "pvrusb2-fx2-cmd.h" +#include "pvrusb2.h" + +#define trace_i2c(...) pvr2_trace(PVR2_TRACE_I2C,__VA_ARGS__) + +/* + + This module implements the foundation of a rather large architecture for + tracking state in all the various V4L I2C modules. This is obsolete with + kernels later than roughly 2.6.24, but it is still present in the + standalone pvrusb2 driver to allow continued operation with older + kernel. + +*/ + +static unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp, + unsigned int detail, + char *buf,unsigned int maxlen); + +static int pvr2_i2c_core_singleton(struct i2c_client *cp, + unsigned int cmd,void *arg) +{ + int stat; + if (!cp) return -EINVAL; + if (!(cp->driver)) return -EINVAL; + if (!(cp->driver->command)) return -EINVAL; + if (!try_module_get(cp->driver->driver.owner)) return -EAGAIN; + stat = cp->driver->command(cp,cmd,arg); + module_put(cp->driver->driver.owner); + return stat; +} + +int pvr2_i2c_client_cmd(struct pvr2_i2c_client *cp,unsigned int cmd,void *arg) +{ + int stat; + if (pvrusb2_debug & PVR2_TRACE_I2C_CMD) { + char buf[100]; + unsigned int cnt; + cnt = pvr2_i2c_client_describe(cp,PVR2_I2C_DETAIL_DEBUG, + buf,sizeof(buf)); + pvr2_trace(PVR2_TRACE_I2C_CMD, + "i2c COMMAND (code=%u 0x%x) to %.*s", + cmd,cmd,cnt,buf); + } + stat = pvr2_i2c_core_singleton(cp->client,cmd,arg); + if (pvrusb2_debug & PVR2_TRACE_I2C_CMD) { + char buf[100]; + unsigned int cnt; + cnt = pvr2_i2c_client_describe(cp,PVR2_I2C_DETAIL_DEBUG, + buf,sizeof(buf)); + pvr2_trace(PVR2_TRACE_I2C_CMD, + "i2c COMMAND to %.*s (ret=%d)",cnt,buf,stat); + } + return stat; +} + +int pvr2_i2c_core_cmd(struct pvr2_hdw *hdw,unsigned int cmd,void *arg) +{ + struct pvr2_i2c_client *cp, *ncp; + int stat = -EINVAL; + + if (!hdw) return stat; + + mutex_lock(&hdw->i2c_list_lock); + list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, list) { + if (!cp->recv_enable) continue; + mutex_unlock(&hdw->i2c_list_lock); + stat = pvr2_i2c_client_cmd(cp,cmd,arg); + mutex_lock(&hdw->i2c_list_lock); + } + mutex_unlock(&hdw->i2c_list_lock); + return stat; +} + + +static int handler_check(struct pvr2_i2c_client *cp) +{ + struct pvr2_i2c_handler *hp = cp->handler; + if (!hp) return 0; + if (!hp->func_table->check) return 0; + return hp->func_table->check(hp->func_data) != 0; +} + +#define BUFSIZE 500 + + +void pvr2_i2c_core_status_poll(struct pvr2_hdw *hdw) +{ + struct pvr2_i2c_client *cp; + mutex_lock(&hdw->i2c_list_lock); do { + struct v4l2_tuner *vtp = &hdw->tuner_signal_info; + memset(vtp,0,sizeof(*vtp)); + list_for_each_entry(cp, &hdw->i2c_clients, list) { + if (!cp->detected_flag) continue; + if (!cp->status_poll) continue; + cp->status_poll(cp); + } + hdw->tuner_signal_stale = 0; + pvr2_trace(PVR2_TRACE_CHIPS,"i2c status poll" + " type=%u strength=%u audio=0x%x cap=0x%x" + " low=%u hi=%u", + vtp->type, + vtp->signal,vtp->rxsubchans,vtp->capability, + vtp->rangelow,vtp->rangehigh); + } while (0); mutex_unlock(&hdw->i2c_list_lock); +} + + +/* Issue various I2C operations to bring chip-level drivers into sync with + state stored in this driver. */ +void pvr2_i2c_core_sync(struct pvr2_hdw *hdw) +{ + unsigned long msk; + unsigned int idx; + struct pvr2_i2c_client *cp, *ncp; + + if (!hdw->i2c_linked) return; + if (!(hdw->i2c_pend_types & PVR2_I2C_PEND_ALL)) { + return; + } + mutex_lock(&hdw->i2c_list_lock); do { + pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: core_sync BEGIN"); + if (hdw->i2c_pend_types & PVR2_I2C_PEND_DETECT) { + /* One or more I2C clients have attached since we + last synced. So scan the list and identify the + new clients. */ + char *buf; + unsigned int cnt; + unsigned long amask = 0; + buf = kmalloc(BUFSIZE,GFP_KERNEL); + pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: PEND_DETECT"); + hdw->i2c_pend_types &= ~PVR2_I2C_PEND_DETECT; + list_for_each_entry(cp, &hdw->i2c_clients, list) { + if (!cp->detected_flag) { + cp->ctl_mask = 0; + pvr2_i2c_probe(hdw,cp); + cp->detected_flag = !0; + msk = cp->ctl_mask; + cnt = 0; + if (buf) { + cnt = pvr2_i2c_client_describe( + cp, + PVR2_I2C_DETAIL_ALL, + buf,BUFSIZE); + } + trace_i2c("Probed: %.*s",cnt,buf); + if (handler_check(cp)) { + hdw->i2c_pend_types |= + PVR2_I2C_PEND_CLIENT; + } + cp->pend_mask = msk; + hdw->i2c_pend_mask |= msk; + hdw->i2c_pend_types |= + PVR2_I2C_PEND_REFRESH; + } + amask |= cp->ctl_mask; + } + hdw->i2c_active_mask = amask; + if (buf) kfree(buf); + } + if (hdw->i2c_pend_types & PVR2_I2C_PEND_STALE) { + /* Need to do one or more global updates. Arrange + for this to happen. */ + unsigned long m2; + pvr2_trace(PVR2_TRACE_I2C_CORE, + "i2c: PEND_STALE (0x%lx)", + hdw->i2c_stale_mask); + hdw->i2c_pend_types &= ~PVR2_I2C_PEND_STALE; + list_for_each_entry(cp, &hdw->i2c_clients, list) { + m2 = hdw->i2c_stale_mask; + m2 &= cp->ctl_mask; + m2 &= ~cp->pend_mask; + if (m2) { + pvr2_trace(PVR2_TRACE_I2C_CORE, + "i2c: cp=%p setting 0x%lx", + cp,m2); + cp->pend_mask |= m2; + } + } + hdw->i2c_pend_mask |= hdw->i2c_stale_mask; + hdw->i2c_stale_mask = 0; + hdw->i2c_pend_types |= PVR2_I2C_PEND_REFRESH; + } + if (hdw->i2c_pend_types & PVR2_I2C_PEND_CLIENT) { + /* One or more client handlers are asking for an + update. Run through the list of known clients + and update each one. */ + pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: PEND_CLIENT"); + hdw->i2c_pend_types &= ~PVR2_I2C_PEND_CLIENT; + list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, + list) { + if (!cp->handler) continue; + if (!cp->handler->func_table->update) continue; + pvr2_trace(PVR2_TRACE_I2C_CORE, + "i2c: cp=%p update",cp); + mutex_unlock(&hdw->i2c_list_lock); + cp->handler->func_table->update( + cp->handler->func_data); + mutex_lock(&hdw->i2c_list_lock); + /* If client's update function set some + additional pending bits, account for that + here. */ + if (cp->pend_mask & ~hdw->i2c_pend_mask) { + hdw->i2c_pend_mask |= cp->pend_mask; + hdw->i2c_pend_types |= + PVR2_I2C_PEND_REFRESH; + } + } + } + if (hdw->i2c_pend_types & PVR2_I2C_PEND_REFRESH) { + const struct pvr2_i2c_op *opf; + unsigned long pm; + /* Some actual updates are pending. Walk through + each update type and perform it. */ + pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: PEND_REFRESH" + " (0x%lx)",hdw->i2c_pend_mask); + hdw->i2c_pend_types &= ~PVR2_I2C_PEND_REFRESH; + pm = hdw->i2c_pend_mask; + hdw->i2c_pend_mask = 0; + for (idx = 0, msk = 1; pm; idx++, msk <<= 1) { + if (!(pm & msk)) continue; + pm &= ~msk; + list_for_each_entry(cp, &hdw->i2c_clients, + list) { + if (cp->pend_mask & msk) { + cp->pend_mask &= ~msk; + cp->recv_enable = !0; + } else { + cp->recv_enable = 0; + } + } + opf = pvr2_i2c_get_op(idx); + if (!opf) continue; + mutex_unlock(&hdw->i2c_list_lock); + opf->update(hdw); + mutex_lock(&hdw->i2c_list_lock); + } + } + pvr2_trace(PVR2_TRACE_I2C_CORE,"i2c: core_sync END"); + } while (0); mutex_unlock(&hdw->i2c_list_lock); +} + +int pvr2_i2c_core_check_stale(struct pvr2_hdw *hdw) +{ + unsigned long msk,sm,pm; + unsigned int idx; + const struct pvr2_i2c_op *opf; + struct pvr2_i2c_client *cp; + unsigned int pt = 0; + + pvr2_trace(PVR2_TRACE_I2C_CORE,"pvr2_i2c_core_check_stale BEGIN"); + + pm = hdw->i2c_active_mask; + sm = 0; + for (idx = 0, msk = 1; pm; idx++, msk <<= 1) { + if (!(msk & pm)) continue; + pm &= ~msk; + opf = pvr2_i2c_get_op(idx); + if (!(opf && opf->check)) continue; + if (opf->check(hdw)) { + sm |= msk; + } + } + if (sm) pt |= PVR2_I2C_PEND_STALE; + + list_for_each_entry(cp, &hdw->i2c_clients, list) + if (handler_check(cp)) + pt |= PVR2_I2C_PEND_CLIENT; + + if (pt) { + mutex_lock(&hdw->i2c_list_lock); do { + hdw->i2c_pend_types |= pt; + hdw->i2c_stale_mask |= sm; + hdw->i2c_pend_mask |= hdw->i2c_stale_mask; + } while (0); mutex_unlock(&hdw->i2c_list_lock); + } + + pvr2_trace(PVR2_TRACE_I2C_CORE, + "i2c: types=0x%x stale=0x%lx pend=0x%lx", + hdw->i2c_pend_types, + hdw->i2c_stale_mask, + hdw->i2c_pend_mask); + pvr2_trace(PVR2_TRACE_I2C_CORE,"pvr2_i2c_core_check_stale END"); + + return (hdw->i2c_pend_types & PVR2_I2C_PEND_ALL) != 0; +} + +static unsigned int pvr2_i2c_client_describe(struct pvr2_i2c_client *cp, + unsigned int detail, + char *buf,unsigned int maxlen) +{ + unsigned int ccnt,bcnt; + int spcfl = 0; + const struct pvr2_i2c_op *opf; + + ccnt = 0; + if (detail & PVR2_I2C_DETAIL_DEBUG) { + bcnt = scnprintf(buf,maxlen, + "ctxt=%p ctl_mask=0x%lx", + cp,cp->ctl_mask); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + spcfl = !0; + } + bcnt = scnprintf(buf,maxlen, + "%s%s @ 0x%x", + (spcfl ? " " : ""), + cp->client->name, + cp->client->addr); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + if ((detail & PVR2_I2C_DETAIL_HANDLER) && + cp->handler && cp->handler->func_table->describe) { + bcnt = scnprintf(buf,maxlen," ("); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + bcnt = cp->handler->func_table->describe( + cp->handler->func_data,buf,maxlen); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + bcnt = scnprintf(buf,maxlen,")"); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + } + if ((detail & PVR2_I2C_DETAIL_CTLMASK) && cp->ctl_mask) { + unsigned int idx; + unsigned long msk,sm; + + bcnt = scnprintf(buf,maxlen," ["); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + sm = 0; + spcfl = 0; + for (idx = 0, msk = 1; msk; idx++, msk <<= 1) { + if (!(cp->ctl_mask & msk)) continue; + opf = pvr2_i2c_get_op(idx); + if (opf) { + bcnt = scnprintf(buf,maxlen,"%s%s", + spcfl ? " " : "", + opf->name); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + spcfl = !0; + } else { + sm |= msk; + } + } + if (sm) { + bcnt = scnprintf(buf,maxlen,"%s%lx", + idx != 0 ? " " : "",sm); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + } + bcnt = scnprintf(buf,maxlen,"]"); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + } + return ccnt; +} + +unsigned int pvr2_i2c_report(struct pvr2_hdw *hdw, + char *buf,unsigned int maxlen) +{ + unsigned int ccnt,bcnt; + struct pvr2_i2c_client *cp; + ccnt = 0; + mutex_lock(&hdw->i2c_list_lock); do { + list_for_each_entry(cp, &hdw->i2c_clients, list) { + bcnt = pvr2_i2c_client_describe( + cp, + (PVR2_I2C_DETAIL_HANDLER| + PVR2_I2C_DETAIL_CTLMASK), + buf,maxlen); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + bcnt = scnprintf(buf,maxlen,"\n"); + ccnt += bcnt; buf += bcnt; maxlen -= bcnt; + } + } while (0); mutex_unlock(&hdw->i2c_list_lock); + return ccnt; +} + +void pvr2_i2c_track_attach_inform(struct i2c_client *client) +{ + struct pvr2_hdw *hdw = (struct pvr2_hdw *)(client->adapter->algo_data); + struct pvr2_i2c_client *cp; + int fl = !(hdw->i2c_pend_types & PVR2_I2C_PEND_ALL); + cp = kzalloc(sizeof(*cp),GFP_KERNEL); + trace_i2c("i2c_attach [client=%s @ 0x%x ctxt=%p]", + client->name, + client->addr,cp); + if (!cp) { + pvr2_trace(PVR2_TRACE_ERROR_LEGS, + "Unable to allocate tracking memory for incoming" + " i2c module; ignoring module. This is likely" + " going to be a problem."); + return; + } + cp->hdw = hdw; + INIT_LIST_HEAD(&cp->list); + cp->client = client; + mutex_lock(&hdw->i2c_list_lock); do { + hdw->cropcap_stale = !0; + list_add_tail(&cp->list,&hdw->i2c_clients); + hdw->i2c_pend_types |= PVR2_I2C_PEND_DETECT; + } while (0); mutex_unlock(&hdw->i2c_list_lock); + if (fl) queue_work(hdw->workqueue,&hdw->worki2csync); +} + +void pvr2_i2c_track_detach_inform(struct i2c_client *client) +{ + struct pvr2_hdw *hdw = (struct pvr2_hdw *)(client->adapter->algo_data); + struct pvr2_i2c_client *cp, *ncp; + unsigned long amask = 0; + int foundfl = 0; + mutex_lock(&hdw->i2c_list_lock); do { + hdw->cropcap_stale = !0; + list_for_each_entry_safe(cp, ncp, &hdw->i2c_clients, list) { + if (cp->client == client) { + trace_i2c("pvr2_i2c_detach" + " [client=%s @ 0x%x ctxt=%p]", + client->name, + client->addr,cp); + if (cp->handler && + cp->handler->func_table->detach) { + cp->handler->func_table->detach( + cp->handler->func_data); + } + list_del(&cp->list); + kfree(cp); + foundfl = !0; + continue; + } + amask |= cp->ctl_mask; + } + hdw->i2c_active_mask = amask; + } while (0); mutex_unlock(&hdw->i2c_list_lock); + if (!foundfl) { + trace_i2c("pvr2_i2c_detach [client=%s @ 0x%x ctxt=<unknown>]", + client->name, + client->addr); + } +} + +void pvr2_i2c_track_init(struct pvr2_hdw *hdw) +{ + hdw->i2c_pend_mask = 0; + hdw->i2c_stale_mask = 0; + hdw->i2c_active_mask = 0; + INIT_LIST_HEAD(&hdw->i2c_clients); + mutex_init(&hdw->i2c_list_lock); +} + +void pvr2_i2c_track_done(struct pvr2_hdw *hdw) +{ + /* Empty for now */ +} + +/* + Stuff for Emacs to see, in order to encourage consistent editing style: + *** Local Variables: *** + *** mode: c *** + *** fill-column: 75 *** + *** tab-width: 8 *** + *** c-basic-offset: 8 *** + *** End: *** + */ diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-track.h b/drivers/media/video/pvrusb2/pvrusb2-i2c-track.h new file mode 100644 index 000000000000..7d0e4fb63785 --- /dev/null +++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-track.h @@ -0,0 +1,97 @@ +/* + * + * + * Copyright (C) 2005 Mike Isely <isely@pobox.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#ifndef __PVRUSB2_I2C_TRACK_H +#define __PVRUSB2_I2C_TRACK_H + +#include <linux/list.h> +#include <linux/i2c.h> + +struct pvr2_hdw; +struct pvr2_i2c_client; +struct pvr2_i2c_handler; +struct pvr2_i2c_handler_functions; +struct pvr2_i2c_op; +struct pvr2_i2c_op_functions; + +struct pvr2_i2c_client { + struct i2c_client *client; + struct pvr2_i2c_handler *handler; + struct list_head list; + struct pvr2_hdw *hdw; + int detected_flag; + int recv_enable; + unsigned long pend_mask; + unsigned long ctl_mask; + void (*status_poll)(struct pvr2_i2c_client *); +}; + +struct pvr2_i2c_handler { + void *func_data; + const struct pvr2_i2c_handler_functions *func_table; +}; + +struct pvr2_i2c_handler_functions { + void (*detach)(void *); + int (*check)(void *); + void (*update)(void *); + unsigned int (*describe)(void *,char *,unsigned int); +}; + +struct pvr2_i2c_op { + int (*check)(struct pvr2_hdw *); + void (*update)(struct pvr2_hdw *); + const char *name; +}; + +void pvr2_i2c_track_init(struct pvr2_hdw *); +void pvr2_i2c_track_done(struct pvr2_hdw *); +void pvr2_i2c_track_attach_inform(struct i2c_client *); +void pvr2_i2c_track_detach_inform(struct i2c_client *); + +int pvr2_i2c_client_cmd(struct pvr2_i2c_client *,unsigned int cmd,void *arg); +int pvr2_i2c_core_cmd(struct pvr2_hdw *,unsigned int cmd,void *arg); + +int pvr2_i2c_core_check_stale(struct pvr2_hdw *); +void pvr2_i2c_core_sync(struct pvr2_hdw *); +void pvr2_i2c_core_status_poll(struct pvr2_hdw *); +unsigned int pvr2_i2c_report(struct pvr2_hdw *,char *buf,unsigned int maxlen); +#define PVR2_I2C_DETAIL_DEBUG 0x0001 +#define PVR2_I2C_DETAIL_HANDLER 0x0002 +#define PVR2_I2C_DETAIL_CTLMASK 0x0004 +#define PVR2_I2C_DETAIL_ALL (\ + PVR2_I2C_DETAIL_DEBUG |\ + PVR2_I2C_DETAIL_HANDLER |\ + PVR2_I2C_DETAIL_CTLMASK) + +void pvr2_i2c_probe(struct pvr2_hdw *,struct pvr2_i2c_client *); +const struct pvr2_i2c_op *pvr2_i2c_get_op(unsigned int idx); + +#endif /* __PVRUSB2_I2C_CORE_H */ + + +/* + Stuff for Emacs to see, in order to encourage consistent editing style: + *** Local Variables: *** + *** mode: c *** + *** fill-column: 75 *** + *** tab-width: 8 *** + *** c-basic-offset: 8 *** + *** End: *** + */ diff --git a/drivers/media/video/pvrusb2/pvrusb2-tuner.h b/drivers/media/video/pvrusb2/pvrusb2-tuner.h index ef4afaf37b0a..3643e2c7880f 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-tuner.h +++ b/drivers/media/video/pvrusb2/pvrusb2-tuner.h @@ -20,7 +20,7 @@ #ifndef __PVRUSB2_TUNER_H #define __PVRUSB2_TUNER_H -#include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" int pvr2_i2c_tuner_setup(struct pvr2_hdw *,struct pvr2_i2c_client *); diff --git a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.h b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.h index 4ff5b892b303..b2cd3875bb5b 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.h +++ b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.h @@ -33,7 +33,7 @@ -#include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" int pvr2_i2c_decoder_v4l_setup(struct pvr2_hdw *,struct pvr2_i2c_client *); diff --git a/drivers/media/video/pvrusb2/pvrusb2-wm8775.h b/drivers/media/video/pvrusb2/pvrusb2-wm8775.h index 807090961255..5b2cb6183576 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-wm8775.h +++ b/drivers/media/video/pvrusb2/pvrusb2-wm8775.h @@ -34,7 +34,7 @@ -#include "pvrusb2-i2c-core.h" +#include "pvrusb2-i2c-track.h" int pvr2_i2c_wm8775_setup(struct pvr2_hdw *,struct pvr2_i2c_client *); |